linux-kernel - Re: [PATCH v4 1/8] ASoC: dt-bindings: fsl_asrc: Change asrc-width to asrc-format

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Date:   Tue, 3 Mar 2020 11:59:30 +0800
From:   Shengjiu Wang <shengjiu.wang@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Shengjiu Wang <shengjiu.wang@....com>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        linuxppc-dev@...ts.ozlabs.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Timur Tabi <timur@...nel.org>, Xiubo Li <Xiubo.Lee@...il.com>,
        shawnguo@...nel.org, s.hauer@...gutronix.de,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-imx@....com,
        kernel@...gutronix.de, Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 1/8] ASoC: dt-bindings: fsl_asrc: Change asrc-width to asrc-format

Hi

On Tue, Mar 3, 2020 at 9:43 AM Rob Herring <robh@...nel.org> wrote:
>
> On Sun, Mar 01, 2020 at 01:24:12PM +0800, Shengjiu Wang wrote:
> > asrc_format is more inteligent, which is align with the alsa
> > definition snd_pcm_format_t, we don't need to convert it to
> > format in driver, and it can distinguish S24_LE & S24_3LE.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
> > ---
> >  Documentation/devicetree/bindings/sound/fsl,asrc.txt | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/sound/fsl,asrc.txt b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> > index cb9a25165503..0cbb86c026d5 100644
> > --- a/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> > +++ b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> > @@ -38,7 +38,9 @@ Required properties:
> >
> >     - fsl,asrc-rate   : Defines a mutual sample rate used by DPCM Back Ends.
> >
> > -   - fsl,asrc-width  : Defines a mutual sample width used by DPCM Back Ends.
> > +   - fsl,asrc-format : Defines a mutual sample format used by DPCM Back
> > +                       Ends. The value is one of SNDRV_PCM_FORMAT_XX in
> > +                       "include/uapi/sound/asound.h"
>
> You can't just change properties. They are an ABI.

I have updated all the things related with this ABI in this patch series.
What else should I do?

Best regards
Wang Shengjiu